Temperatures dipped below freezing in Denver for the first time this season early Friday morning, about two and a half weeks later than average, according to the National Weather Service. Related Articles Weather | Winter is on its way: How to prepare your Colorado home ahead of the first freeze Weather | Colorado weather: Another 10 inches of snow possible for San Juan mountains, rain falls in Denver Weather | Colorado weather: Snow lingers in mountains, rain possible in Denver Weather | Colorado weather: Heavy snow, winter storm warning in mountains, rain in Denver from storm system Weather | Colorado weather: Where, when and how much snow to expect this weekend While much of the metro area has yet to experience a first freeze, the agency said in a social media post that frosty weather will likely arrive by the middle of next week. The frost is expected to melt by 9 a.m.